19853970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1667}}^1$

素因数の和:2074

約数の個数: 32

約数和(自身を含む): 47798208

約数和(自身を除く): 27944238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1667, 1985, 2382, 3334, 3970, 5001, 5955, 8335, 10002, 11910, 16670, 25005, 50010, 661799, 1323598, 1985397, 3308995, 3970794, 6617990, 9926985, 19853970]

約数ペア:

[(1, 19853970), (2, 9926985), (3, 6617990), (5, 3970794), (6, 3308995), (10, 1985397), (15, 1323598), (30, 661799), (397, 50010), (794, 25005), (1191, 16670), (1667, 11910), (1985, 10002), (2382, 8335), (3334, 5955), (3970, 5001)]